KOA SPEER ELECTRONICS, INC.
SS-245 R1
NEW
Oxide Varistor Disk Type
Metal
Type NV
1. Features
I
Flame retardant coating (UL 94V-0)
I
Excellent transient voltage suppression characteristics
I
Higher surge current
I
Wide varistor voltage
I
V-1 characteristics are the same in both polarity
AHA 6/06/02
CERTIFIED
2. Dimensions
øD
T
Table 1
Type
05U
07U
10U
øD max.
.276 ~ .295
(7.0 ~ 7.5)
.276 ~ .374
(9.0 ~ 9.5)
.472 ~ .531
(12.0 ~ 13.5)
.472
(12.0)
.630 ~ .669
(16.0 ~ 17.0)
.846 ~ .886
(21.5 ~ 22.5)
Dimensions in inches (mm)
ød
.024
(0.6)
.024
(0.6)
.031
(0.8)
.024
(0.6)
.031
(0.8)
.039
(1.0)
F
.197
(5 ± 1)
.197
(5 ± 1)
.295
(7.5 ± 1)
.197
(5 ± 1)
.295
(7.5 ± 1)
.394
(10 ± 1)
ød
F
W
±
1
W*
10UB
14U
Refer to detailed dimensions
for further information
20U
3. Ordering & Specifying Information
Type designation shall be as the following form.
NV
Type
D
Style
Disc
05
Diameter
05
07
10
14
20
U
Series
U
UB (D10 only)
T
Termination
Material
T: Sn
MHT
Taping
MT: 5mm Straight taping
MHT: 5mm Inside
kink taping
10UB: GHT: 7.5 mm
Straight taping
GJT: 7.5 mm
Outside kink taping
A
Packaging
A: Ammo
Bk: Bulk
220
Varistor
Voltage
2 significant
figures +
1 multiplier
PAGE 1 OF 16
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
Fax 814-362-8883
I
www.koaspeer.com
KOA SPEER ELECTRONICS, INC.
SS-245 R1
4. Detailed Dimensions
øD
T
Table 1
Type D07U
NVD07UT220
NVD07UT270
NVD07UT330
Dimensions in inches (mm)
øD max. H max. T max.
W±1
.169
(4.3)
ød
F
W
±
1
W*
NVD07UT390
NVD07UT470
.173
(4.4)
.181
(4.6)
.276
(9.0)
.472
(12.0)
.197
(5.0)
.209
(5.3)
.161
(4.1)
.169
(4.3)
.177
(4.5)
.189
(4.8)
.177
(4.5)
.181
(4.6)
.185
(4.7)
.193
(4.9)
.374
(9.5)
.492
(12.5)
.209
(5.3)
.213
(5.4)
.220
(5.6)
.224
(5.7)
.232
(5.9)
.067
(1.7)
Table 1
Type D05U
NVD05UT220
NVD05UT270
NVD05UT330
NVD05UT390
NVD05UT470
NVD05UT560
NVD05UT680
NVD05T820
NVD05UT101
NVD05UT121
NVD05UT151
NVD05UT201
NVD05UT221
NVD05UT241
NVD05UT271
NVD05UT331
NVD05UT361
NVD05UT391
NVD05UT431
NVD05UT471
Dimensions in inches (mm)
øD max. H max. T max.
W±1
NVD07UT560
NVD07UT680
NVD07T820
.075
(1.9)
.055
(1.4)
.063
(1.6)
.071
(1.8)
.083
(2.1)
.039
(1.0)
.043
(1.1)
.047
(1.2)
.059
(1.5)
.067
(1.7)
.075
(1.9)
.079
(2.0)
.087
(2.2)
.094
(2.4)
.169
(4.3)
NVD07UT101
NVD07UT121
.173
(4.4)
.181
(4.6)
.276
(7.0)
.394
(10.0)
.197
(5.0)
.209
(5.3)
.161
(4.1)
.169
(4.3)
.177
(4.5)
.189
(4.8)
.177
(4.5)
.181
(4.6)
.185
(4.7)
.193
(4.9)
.295
(7.5)
.413
(10.5)
.209
(5.3)
.213
(5.4)
.220
(5.6)
.224
(5.7)
.232
(5.9)
.067
(1.7)
NVD07UT151
NVD07UT201
NVD07UT221
.075
(1.9)
.055
(1.4)
.063
(1.6)
.071
(1.8)
.083
(2.1)
.039
(1.0)
.043
(1.1)
.047
(1.2)
.059
(1.5)
.067
(1.7)
.075
(1.9)
.079
(2.0)
.087
(2.2)
.094
(2.4)
NVD07UT241
NVD07UT271
NVD07UT331
NVD07UT361
NVD07UT391
NVD07UT431
NVD07UT471
PAGE 2 OF 16
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
Fax 814-362-8883
I
www.koaspeer.com
KOA SPEER ELECTRONICS, INC.
SS-245 R1
4. Detailed Dimensions (Continued)
øD
T
Table 1
Type D10U
NVD10UT331
NVD10UT361
NVD10UT391
Dimensions in inches (mm)
øD max. H max. T max.
.492
(5.6)
.224
(5.7)
.232
(5.9)
.240
(6.1)
.248
(6.3)
.264
(6.7)
.492
(12.5)
.610
(15.5)
.311
(7.9)
.327
(8.3)
.346
(8.8)
.350
(8.9)
.362
(9.2)
.382
(9.7)
.512
(13.0)
.531
(13.5)
.630
(16.0)
.650
(16.5)
.472
(12.0)
.567
(14.4)
W±1
.220
(1.6)
.079
(2.0)
.091
(2.3)
.102
(2.6)
.114
(2.9)
.126
(3.2)
.150
(3.8)
.165
(4.2)
.185
(4.7)
.193
(4.9)
.201
(5.1)
.224
(5.7)
.276
(7.0)
* .433
(11.0 ± 2)
ød
F
W
±
1
W*
NVD10UT431
NVD10UT471
Table 1
Dimensions in inches (mm)
W±1
NVD10UT511
NVD10UT621
NVD10UT681
Type D10U/10UB øD max. H max. T max.
NVD10U/10UBT220
NVD10U/10UBT270
NVD10U/10UBT330
NVD10U/10UBT390
NVD10U/10UBT470
NVD10U/10UBT560
NVD10U/10UBT680
NVD10/10BT820
NVD10U/10UBT101
NVD10U/10UBT121
NVD10U/10UBT151
NVD10U/10UBT201
NVD10U/10UBT221
NVD10U/10UBT241
NVD10U/10UBT271
.472
(12.0)
.591
(15.0)
.173
(4.4)
.185
(4.7)
.197
(5.0)
.209
(5.3)
.177
(4.5)
.185
(4.7)
.193
(4.9)
.205
(5.2)
.185
(4.7)
.189
(4.8)
.197
(5.0)
.209
(5.3)
.169
(4.3)
NVD10UT751
NVD10UT781
.075
(1.9)
NVD10UT821
NVD10UT911
NVD10UT112
.083
(2.1)
.063
(1.6)
.071
(1.8)
.079
(2.0)
.091
(2.3)
.039
(1.0)
.043
(1.1)
.047
(1.2)
.051
(1.3)
NVD10UT182
PAGE 3 OF 16
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
Fax 814-362-8883
I
www.koaspeer.com
KOA SPEER ELECTRONICS, INC.
SS-245 R1
4. Detailed Dimensions (Continued)
øD
T
Table 1
Type D14U
NVD14UT471
NVD14UT511
NVD14UT621
.650
(16.5)
Dimensions in inches (mm)
øD max. H max. T max.
.248
(6.3)
.846
(21.5)
.264
(6.7)
.311
(7.9)
.327
(8.3)
.346
(8.8)
.350
(8.9)
.362
(9.2)
.382
(9.7)
.669
(17.0)
.807
(20.5)
.567
(14.4)
W±1
.114
(2.9)
.126
(3.2)
.150
(3.8)
.165
(4.2)
.185
(4.7)
.193
(4.9)
.201
(5.1)
.224
(5.7)
*.457
(11.6 ± 2)
ød
F
W
±
1
W*
NVD14UT681
NVD14UT751
NVD14UT781
Table 1
Type D14U
NVD14UT220
NVD14UT270
NVD14UT330
NVD14UT390
NVD14UT470
NVD14UT560
NVD14UT680
NVD14T820
NVD14T101
NVD14UT121
NVD14UT151
NVD14UT201
NVD14UT221
NVD14UT241
NVD14UT271
NVD14UT331
NVD14UT361
NVD14UT391
NVD14UT431
Dimensions in inches (mm)
øD max. H max. T max.
W±1
NVD14UT821
NVD14UT911
NVD14UT182
.169
(4.3)
Type D20U
.173
(4.4)
.185
(4.7)
.197
(5.0)
.209
(5.3)
.630
(16.0)
.827
(21.0)
.177
(4.5)
.185
(4.7)
.193
(4.9)
.205
(5.2)
.185
(4.7)
.189
(4.8)
.197
(5.0)
.209
(5.3)
.220
(5.6)
.650
(16.5)
.846
(21.5)
.224
(5.7)
.220
(5.6)
.240
(6.1)
.083
(2.1)
.063
(1.6)
.071
(1.8)
.079
(2.0)
.091
(2.3)
.039
(1.0)
.043
(1.1)
.047
(1.2)
.051
(1.3)
.063
(1.6)
.079
(2.0)
.091
(2.3)
.102
(2.6)
.075
(1.9)
NVD20UT201
NVD20UT221
NVD20UT241
NVD20UT271
NVD20UT361
NVD20UT391
NVD20UT431
NVD20UT471
NVD20UT621
NVD20UT681
NVD20UT751
NVD20UT781
NVD20UT821
NVD20UT911
.886
(22.5)
1.004
(25.5)
.846
(21.5)
.965
(24.5)
.205
(5.2)
.209
(5.3)
.213
(5.4)
.220
(5.6)
.240
(6.1)
.244
(6.2)
.252
(6.4)
.260
(6.6)
.295
(7.5)
.307
(7.8)
.323
(8.2)
.331
(8.4)
.335
(8.5)
.354
(9.0)
.083
(2.1)
.087
(2.2)
.091
(2.3)
.098
(2.5)
.118
(3.0)
.122
(3.1)
.130
(3.3)
.138
(3.5)
.173
(4.4)
.185
(4.7)
.201
(5.1)
.209
(5.3)
.213
(5.4)
232
(5.9)
PAGE 4 OF 16
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
Fax 814-362-8883
I
www.koaspeer.com
KOA SPEER ELECTRONICS, INC.
SS-245 R1
5. Ratings and Characteristics
Varistor Maximum Allowable Clamping Max. (2ms)
Max. Peak
Capacit. Operating Storage
Voltage
Voltage
Voltage
Energy Current (2 pulses)
(ref.)
Temp.
Temp.
d.c.
V
1A
V
5A
E
Ip
C (pF)
Vc Ic=
a.c.
r.m.s.
T
stg
T
opt
0.1mA (V)
(V)
(V)
(V) (V)
(J)
(A)
(1k~1MHz)
20~27
25~32
30~39
37~47
45~54
52~62
60~76
74~90
90~110
108~132
135~165
185~225
198~242
216~264
247~303
297~363
342~396
367~429
407~473
437~517
14
17
20
25
30
35
40
50
60
75
95
130
140
150
175
210
230
250
275
300
18
22
26
31
38
45
56
65
85
100
125
170
180
200
225
270
300
320
350
385
48
60
73
86
104
123
150
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
145
175
210
260
355
380
415
475
570
620
675
745
810
0.5
0.7
0.8
1200
0.9
1.1
1.3
1.6
1.7
3.0
3.5
4.5
6.0
6.5
7.5
8.0
100
9.5
11.0
90
12.0
13.5
15.0
80
70
600
200
125
1000
800
600
300
400
350
300
130
120
110
-40
~
+85°C
-40
~
+125°C
1600
1400
Type D05U
NVD05UT220
NVD05UT270
NVD05UT330
NVD05UT390
NVD05UT470
NVD05UT560
NVD05UT680
NVD05T820
NVD05UT101
NVD05UT121
NVD05UT151
NVD05UT201
NVD05UT221
NVD05UT241
NVD05UT271
NVD05UT331
NVD05UT361
NVD05UT391
NVD05UT431
NVD05UT471
Type D07U
NVD07UT220
NVD07UT270
NVD07UT330
NVD07UT390
NVD07UT470
NVD07UT560
NVD07UT680
NVD07T820
NVD07UT101
NVD07UT121
NVD07UT151
Vc Ic=
1mA (V)
20~27
25~32
30~39
37~47
45~54
52~62
60~76
74~90
90~110
108~132
135~165
a.c.
r.m.s.
(V)
14
17
20
25
30
35
40
50
60
75
95
d.c.
(V)
18
22
26
31
38
45
56
65
85
100
125
V
2.5A
V
10A
(V) (V)
43
53
65
73
93
110
135
–
–
–
–
–
–
–
–
–
–
–
135
165
200
250
E
(J)
1.1
1.3
1.6
1.9
2.3
2.7
3.3
3.5
6.0
7.0
9.0
Ip
(A)
C (pF)
(1k~1MHz)
4000
3000
2500
T
opt
T
stg
250
2000
1700
1300
1000
-40
~
+85°C
-40
~
+125°C
600
500
700
1250
590
500
PAGE 5 OF 16
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
Fax 814-362-8883
I
www.koaspeer.com
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